xtremerat | 821d80f825671cb06fed6630b7877c2e5896c48689a56271db294ee3fb62bb84

General

Target

821d80f825671cb06fed6630b7877c2e5896c48689a56271db294ee3fb62bb84.exe
Size

324KB
MD5

7ad28dbdd3fe54ac38835e29f72ba2cf
SHA1

95d91c3fd70005cb0a7472e37726b73deea4a436
SHA256

821d80f825671cb06fed6630b7877c2e5896c48689a56271db294ee3fb62bb84
SHA512

a19a9ccb628f11bb7b1ecefc0ff41ac4a70f3f09544362e856c3d7f5a7ef579d9a1f31acc5599438f85b307fbdab7c7f5417a4173f9db699e5abf36ef2be7ae3
SSDEEP

6144:QQZcZt6IlrCS1GuhAmUaLYeJj/8TD/TPcTzhTfMTqVTxRTCb/0QZG9DzkvduWZ0G:tZcuS1GlmUaLYeJj/8P/Lc3hbMWV1RWP

Score

10^/10

xtremerat discovery persistence rat spyware

Malware Config

Extracted

Family

xtremerat

C2

wwwwwww.zapto.org

Signatures

Detect XtremeRAT payload 6 IoCs

resource	yara_rule
behavioral1/memory/680-6-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral1/memory/680-5-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral1/memory/680-4-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral1/memory/680-8-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral1/memory/680-13-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral1/memory/596-17-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat

XtremeRAT
The XtremeRAT was developed by xtremecoder and has been available since at least 2010, and written in Delphi.
persistence spyware rat xtremerat
Xtremerat family
xtremerat

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2980 set thread context of 680	2980	821d80f825671cb06fed6630b7877c2e5896c48689a56271db294ee3fb62bb84.exe	31

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	821d80f825671cb06fed6630b7877c2e5896c48689a56271db294ee3fb62bb84.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	821d80f825671cb06fed6630b7877c2e5896c48689a56271db294ee3fb62bb84.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2980	821d80f825671cb06fed6630b7877c2e5896c48689a56271db294ee3fb62bb84.exe

Suspicious use of WriteProcessMemory 24 IoCs

description	pid	Process	procid_target
PID 2980 wrote to memory of 680	2980	821d80f825671cb06fed6630b7877c2e5896c48689a56271db294ee3fb62bb84.exe	31
PID 2980 wrote to memory of 680	2980	821d80f825671cb06fed6630b7877c2e5896c48689a56271db294ee3fb62bb84.exe	31
PID 2980 wrote to memory of 680	2980	821d80f825671cb06fed6630b7877c2e5896c48689a56271db294ee3fb62bb84.exe	31
PID 2980 wrote to memory of 680	2980	821d80f825671cb06fed6630b7877c2e5896c48689a56271db294ee3fb62bb84.exe	31
PID 2980 wrote to memory of 680	2980	821d80f825671cb06fed6630b7877c2e5896c48689a56271db294ee3fb62bb84.exe	31
PID 2980 wrote to memory of 680	2980	821d80f825671cb06fed6630b7877c2e5896c48689a56271db294ee3fb62bb84.exe	31
PID 2980 wrote to memory of 680	2980	821d80f825671cb06fed6630b7877c2e5896c48689a56271db294ee3fb62bb84.exe	31
PID 2980 wrote to memory of 680	2980	821d80f825671cb06fed6630b7877c2e5896c48689a56271db294ee3fb62bb84.exe	31
PID 2980 wrote to memory of 680	2980	821d80f825671cb06fed6630b7877c2e5896c48689a56271db294ee3fb62bb84.exe	31
PID 2980 wrote to memory of 680	2980	821d80f825671cb06fed6630b7877c2e5896c48689a56271db294ee3fb62bb84.exe	31
PID 2980 wrote to memory of 680	2980	821d80f825671cb06fed6630b7877c2e5896c48689a56271db294ee3fb62bb84.exe	31
PID 2980 wrote to memory of 680	2980	821d80f825671cb06fed6630b7877c2e5896c48689a56271db294ee3fb62bb84.exe	31
PID 2980 wrote to memory of 680	2980	821d80f825671cb06fed6630b7877c2e5896c48689a56271db294ee3fb62bb84.exe	31
PID 2980 wrote to memory of 680	2980	821d80f825671cb06fed6630b7877c2e5896c48689a56271db294ee3fb62bb84.exe	31
PID 680 wrote to memory of 596	680	821d80f825671cb06fed6630b7877c2e5896c48689a56271db294ee3fb62bb84.exe	32
PID 680 wrote to memory of 596	680	821d80f825671cb06fed6630b7877c2e5896c48689a56271db294ee3fb62bb84.exe	32
PID 680 wrote to memory of 596	680	821d80f825671cb06fed6630b7877c2e5896c48689a56271db294ee3fb62bb84.exe	32
PID 680 wrote to memory of 596	680	821d80f825671cb06fed6630b7877c2e5896c48689a56271db294ee3fb62bb84.exe	32
PID 680 wrote to memory of 596	680	821d80f825671cb06fed6630b7877c2e5896c48689a56271db294ee3fb62bb84.exe	32
PID 680 wrote to memory of 1552	680	821d80f825671cb06fed6630b7877c2e5896c48689a56271db294ee3fb62bb84.exe	33
PID 680 wrote to memory of 1552	680	821d80f825671cb06fed6630b7877c2e5896c48689a56271db294ee3fb62bb84.exe	33
PID 680 wrote to memory of 1552	680	821d80f825671cb06fed6630b7877c2e5896c48689a56271db294ee3fb62bb84.exe	33
PID 680 wrote to memory of 1552	680	821d80f825671cb06fed6630b7877c2e5896c48689a56271db294ee3fb62bb84.exe	33
PID 680 wrote to memory of 1552	680	821d80f825671cb06fed6630b7877c2e5896c48689a56271db294ee3fb62bb84.exe	33

C:\Users\Admin\AppData\Local\Temp\821d80f825671cb06fed6630b7877c2e5896c48689a56271db294ee3fb62bb84.exe
"C:\Users\Admin\AppData\Local\Temp\821d80f825671cb06fed6630b7877c2e5896c48689a56271db294ee3fb62bb84.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2980
- C:\Users\Admin\AppData\Local\Temp\821d80f825671cb06fed6630b7877c2e5896c48689a56271db294ee3fb62bb84.exe
  "C:\Users\Admin\AppData\Local\Temp\821d80f825671cb06fed6630b7877c2e5896c48689a56271db294ee3fb62bb84.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:680
- - C:\Windows\SysWOW64\svchost.exe
    svchost.exe
    3⤵
    - System Location Discovery: System Language Discovery
    PID:596
- - C:\Program Files\Internet Explorer\iexplore.exe
    "C:\Program Files\Internet Explorer\iexplore.exe"
    3⤵
    PID:1552

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/596-11-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/596-17-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/680-13-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/680-5-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/680-4-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/680-8-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/680-9-0x0000000000400000-0x00000000009B446A-memory.dmp

Filesize
5.7MB

Download
memory/680-6-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/2980-7-0x0000000003F80000-0x0000000004535000-memory.dmp

Filesize
5.7MB

Download
memory/2980-2-0x0000000000400000-0x00000000009B446A-memory.dmp

Filesize
5.7MB

Download
memory/2980-14-0x0000000000400000-0x00000000009B446A-memory.dmp

Filesize
5.7MB

Download
memory/2980-15-0x0000000003F80000-0x0000000004535000-memory.dmp

Filesize
5.7MB

Download
memory/2980-3-0x0000000000220000-0x0000000000222000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing